• 한국자원식물학회:학술대회논문집
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• 한국자원식물학회 2021년도 춘계학술대회
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• pp.47-47
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• 2021

This study was carried out to obtain a basic information for the improvement of human health and the development of variety through analysis of organic compounds, contents of three CQA(3-caffeoylquinic acid, 4-caffeoylquinic acid and 5-caffeoylquinic acid) and five anthocyanin (petunidin-3-p-cumaroylrutinoside-5-glucoside, pelargonidin-3-p-cumaroylrutin-oside-5-glucoside, peonidin-3-p-cumaroylrutinoside-5-glucoside, pelargonidin-3-p-feruloyl-rutinoside-5-glucoside and peonidin-3-feruloylrutinoside-5-glucoside)to color potatoes is Hong-young(HY) and Ja-young(JY). The analytical results on organic compounds in color potatoes were shown as follow, The contents of CQA and Anthocyanin of JY variety were shown to be higher than HY, while CQA and Anthocyanin were appeared to be highest in peel of JY. Overall, JY had higher amount of physicochemical properties than HY. The results of this study reveal the quantitative analysis of functional compounds seperated from various kind of potatoes, which will enable the acquisition of new bioactive candidates and the establishment of new profit generation models for farmers.

• 한국수정란이식학회지
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• 제30권1호
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• pp.65-71
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• 2015

The aim of this study was to determine the relationship between the coat color appearance of Korean brindle cattle and the changes of relevant hormone levels that may affect the hair pigmentation during different stages of growth and maturation. In mature cattle, levels of both ACTH and DHEA in Korean brindle cattle with brown color were significantly higher than those with black color (p<0.05). Levels of ${\alpha}$-MSH in Korean brindle cattle with whole brindle ($${\geq_-}50%$$) color were significantly higher than those with brown color (p<0.05). In calves of Korean brindle cattle at 2 to 6 months, the concentration of estradiol was significantly higher in calves with whole brindle color than those with part brindle color (p<0.05), when the coat color was confirmed. After 6 month of coat color confirmation, levels of testosterone and ACTH increased in calves with part brindle color and were significantly higher than those with whole brindle color (p<0.05). In calves of Korean brindle cattle at 1 or 2 months, there were no significant differences in hormone levels of estradiol, ACTH, DHEA and ${\alpha}$-MSH between the calves with brindle color and brown color, except estradiol before brindle color appearance. Changes of relevant hormone levels at different stage of growth and maturation may affect the pigmentation of coat during the development of cattle. In addition to the current study correlating the different coat colors with relevant hormone levels, investigation of the coat color associated genes expressed in Korean brindle cattle may further clarify the mechanisms of coat color changes during their development.

• 한국자원식물학회:학술대회논문집
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• 한국자원식물학회 2019년도 추계학술대회
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• pp.54-54
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• 2019

Color-fleshed potatoes 'Hong-young' and 'Ja-young' were developed by RDA, and it has reported that they have high content of anthocyanin. Additionally they show higher radical scavenging activity compared to white or yellow fleshed potatoes. So it will be expected that the consumption of color-fleshed potatoes gradually increase by pre-peeled potatoes and color potato chips. This study was conducted to enhance the utilization of the tuber of color-fleshed potatoes. At first, we isolated four compounds from the organic solvents soluble layer in ethanol extract of tuber, and their structures were characterized by spectroscopic methods and by comparing their data to those in the literature. Their structures were characterized to be caffeic acid (1), chlorogenic acid (2), gallic acid (3) and protocatechuic acid (4) for the first time reported from this source. These compounds were already reported ingredients but considered to exhibit a high physiological activity. The quantitative determination on the four compounds in tuber of color-fleshed [Hong-young (HY) & Ja-young (JY)] and white-fleshed [Superior (SP)] potatoes samples were measured using HPLC. The concentration of caffeic acid in each total fractionations of HY (184.4 g/g) and JY (435.1 g/g) were higher than in total fractionation of SP (31.1). The concentration of gallic acid in each total fractionations of HY (282.1 g/g) and JY (315.2 g/g) were higher than in total fractionation of SP (143.3 g/g). The concentration of chlorogenic acid contents appeared to be highest in total fractionation of SP (954.2 g/g). The concentration of protocatechuic acid in total fractionation of HY (120.3 g/g) was higher than in each total fractionationss of JY (74.4 g/g) and SP (102.7 g/g). Overall, color-fleshed potatoes had higher amount of physicochemical properties than 'Superior'. Therefore, color-fleshed potatoes are expected to be highly valuable items for the development and applications of a functional food. In addition, these results will provide fundamental information for improving sitological value, and breeding of new cultivar.

• 원예과학기술지
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• 제30권2호
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• pp.107-122
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• 2012

식물에서 화색은 종자를 퍼트리기 위해 꽃가루 매개충과 초식동물을 유인하는데 매우 중요한 도구이다. 사람에게 화색은 다채로운 시각적 다양성으로 큰 심미적 가치를 지님으로써 화훼산업의 발전은 새롭고 다양한 매력을 지닌 화색을 생산하는 방향으로 꾸준히 발전되어 왔다. 카로티노이드 성분은 화색 중에서 적색, 홍색, 황색을 나타내는 천연색소로서 이러한 카로티노이드 생합성 경로는 생명공학 기술을 이용하여 화색을 변화시키려는 대사공학의 주된 대상으로 여겨져 왔다. 본 총설에서는 카로티노이드 생합성 대사관련 유전자 발현 조절에 의한 색소 표현형의 변화를 소개하고자 하며, 최근 카로티노이드의 생합성을 넘어 절단과 축적 조절이 화색 변경을 위한 대표적인 기작으로 보고됨에 따라 다양한 화색만큼이나 다양한 조절 기작에 대한 현재까지의 지식을 총 동원하여 원하는 화색을 지닌 인공적인 꽃(engineered flower)을 생산하기 위한 전략을 종합해서 제시하고자 하였다.

• 원예과학기술지
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• 제33권4호
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• pp.559-565
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• 2015

The rind phenotype of watermelon fruits is an important agronomic characteristic in the watermelon market. Inheritance and linkage analyses were performed for three rind-related traits that together determine the rind phenotype: foreground stripe pattern, rind background color, and depth of rind color. The inheritance of the foreground stripe pattern was analyzed using three different $F_2$ populations, showing that the striped pattern is dominant over the non-striped pattern. The inheritance analysis of the rind background color was performed using $F_2$ populations of the '10909' and '109905', and the depth of rind color was analyzed using $F_2$ populations of the '90509' and '109905'. Yellow color was found to be dominant over green color, and a deep color was dominant over the standard color. Linkage analysis of the three traits was conducted using three $F_2$ populations in which two traits were segregating. Each pair of traits was inherited independently, which demonstrated that the three traits are not linked. Therefore, we propose a three-locus model for the determination of rind phenotype, providing novel insight that rind phenotype is determined by the combination of three genetically independent loci.

• 복식문화연구
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• 제13권5호
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• pp.712-728
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• 2005

This study consists of the stimuli of a female model in her twenties with twenty-three different facial make-up and survey on the differences of them for the development of make-up color system, based on the color-sense on the Korean's skin-tone and make-up color, to enforce the efficiency of beauty education. The result of this study and the suggestion is as followed. Firstly, Familiarity, Intelligence, Fitness, Charm, Tradition and Youth were came out as the result of factor analysis of make-up color image perception. Secondly, the stimulus of bare face was evaluated as more familiar and intelligent than the one with image make-up but perceived as unhealthy and not untraditional. Thirdly, skin tone had a big impact on both in lip color that's been applied in monotonous make-up and in image make-up that had been applied in contrastive make-up. Through these results, it is confirmed that the skin tone and make-up colors were influential variables in the research on facial image perception and preference against a female model in her 20s, and also the image test and preference can be changed according to the color contrasts. This research will be used as a basic tool for the development of make-up color applying system with image perception of statics of population variables and preference research. Also it aims to suggest the alternatives to perform the present collage make-up education for more systematic and organized education.

• 조명전기설비학회논문지
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• 제25권11호
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• pp.14-25
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• 2011

Full-Color LED lighting system requires efficient control of the lighting color in order to easily achieve various color effects. In this paper, we present not only a portable color scanner using color sensors which can control lighting color directly from detected color but also methods to convert detected color to a complementary color, similar colors and so on. In addition, we propose a compensation method for measured sensor color to reduce measurement errors more than 50[%] in detected color. The developed color scanner is applied to control full-color LED ceiling light for emotional lighting.

• 제어로봇시스템학회논문지
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• 제9권1호
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• pp.44-49
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• 2003

This paper describes a method of estimating miniature train location by color vision for development of an intelligent railway system model. In the teal world, to control trains automatically, GPS(Global Positioning System) is indispensable to determine the location of trains. A color vision system was used for estimating the location of trains in an indoor experiment. Two different rectangular color bars were attached to the top of each train as a means of identifying them. Several trains were detected where they were located on the track by color feature, geometric features and moment invariant, and tracked simultaneously. In the experiment the identity, location and direction of each train were estimated and transferred to the control computer using serial communication. Processing speed of up to 8 frames/sec could be achieved, which was enough speed for the real-time train control.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2002년도 Proceedings of International Symposium on Remote Sensing
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• pp.649-654
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• 2002

In summer season of 1998, a huge flood occurred around the Yangtze River in the eastern China. The low salinity water less than 28 psu from the river was detected around the southeastern part of the Jeju Island which is located in the southern part of the Korean peninsula. We studied how to detect low salinity water from the Yangtze River, which gives terrible damages to the Korean fisheries. We got the relationships between low surface salinity, turbid water from the Yangtze River and digital ocean color using remote sensing of SeaWiFS satellite in the northern East China Sea in summer seanson of 1998, 1999, 2000 and 2001. The charts of salinity in the northern East China Sea were made by the regenerating of the satellite ocean color data with the formula from the relationships between low salinity, in situ turbid water (transparency) and satellite ocean color.

• 한국전기전자재료학회:학술대회논문집
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• 한국전기전자재료학회 2003년도 춘계학술대회 논문집 디스플레이 광소자분야
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• pp.165-168
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• 2003

최근 TV 대응 LCD 제품의 본격적인 양산과 더불어 LCD TV 의 색재현성에 대한 해결과제가 큰 문제로 대두되고 있으며, CRT 급 색재현성의 확보는 LCD TV 의 고급화를 위한 또 하나의 개발 방향이 되고 있다. 그러나, CF(Color Filter)만을 이용한 색재현성의 개선은 근본적으로 한계를 가지고 있으며, 패널 투과율의 저하로 이어져 또다시 고휘도 사양의 BL(Back Light)에 대한 요구가 발생하고 있다. 따라서 본 연구에서는 CF(Color Filter)만에 의한 색재현성의 개선이 아닌 BL 광원 자체의 스펙트럼 최적화를 통해서 CRT 급 색재현성의 확보를 통한 고부가가치 상품개발의 가능성을 제시하고자 하였다. 구체적으로, 램프형광체의 RED 와 Green-Blue 영역에서의 Intensity 향상을 통해서 기존의 CCFL(Cold Cathode Fluorescent Lamp)과는 다른 특성을 광원에 부가하여, 기본의 LCD 패널을 그대로 이용한 경우에도 색재현성을 약 11% 개선하였다.